A variable controlling whether to enable Direct3D 11+'s Debug Layer.
Defined in <SDL3/SDL_hints.h>
#define SDL_HINT_RENDER_DIRECT3D11_DEBUG "SDL_RENDER_DIRECT3D11_DEBUG"
This variable does not have any effect on the Direct3D 9 based renderer.
The variable can be set to the following values:
This hint should be set before creating a renderer.
This hint is available since SDL 3.1.3.